How to get a smoothg riding F250/350 - Ford Powerstroke Diesel Forum
Suspension & Steering Discuss OEM & aftermarket suspension, lifts, air ride suspension, shocks, steering components, etc.

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post #1 of 13 Old 08-30-2013, 04:25 PM Thread Starter
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How to get a smoothg riding F250/350

I have recently done a suspension modification to my trucks rear spring pack.
I cut out a plate from 3/8 steel the same size as the factory shim for the spring packs. I placed it above the overload spring and at the same time extended the spring alignment tabs another 1/2 so it will still keep the springs from walking around sideways.
I have taken some pictures of the work to show how it was done.

Attachment 161609

Attachment 161617

Attachment 161625

Attachment 161633

The ride is great I have been driving it this way for a few weeks now and love it. It no longer gallops down the highway and the ride quality is hard to believe.
I know the rear will sag much sooner with less weight but I am not concerned because it rode the bumpers when it was full of firewood before.
Ride is better than my wife's 2002 Tahoe.


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2006 F250 LARIAT CCSB 4X4
ARP Studs, O-Ringed Heads
X4 PHP 65 HP Custom Tow Tune
Atlas40
CAT EC-1 Coolant, IPR Coolant filter
BPD Waterpump
Fass-125 to a Adjustable Pressure Reg.
Turbo-back SS 4" pipe, Corsa Muffler -7" Tip
6.4 starter, DC Power 270 amp alt
Die Hard Platinum AGM all 2/0 Cables
Fabtech Radius Arms
7" lift w: Icon Progressive Coil Springs
2008 up Carli/Deaver rear springs
2000 Watts of McIntosh Bliss
All riding on some Fatty-Daddy 38/15.50/18 Toyo's

Last edited by mhatlen; 10-08-2016 at 07:04 PM.
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post #2 of 13 Old 08-30-2013, 04:53 PM
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Did you lose any rear ride height?


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2005 FORD F250 CREWCAB LARIAT
9 INCH LIFT
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post #3 of 13 Old 08-30-2013, 10:26 PM
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Looks like stacked blocks?
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post #4 of 13 Old 08-30-2013, 11:01 PM
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This dropped your payload capacity severely.

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post #5 of 13 Old 08-31-2013, 06:18 AM
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Nice idea. If you wanted to increase your payload capacity again, you can install a set of air bags.

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post #6 of 13 Old 08-31-2013, 06:47 AM
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So basically all you did was remove a leaf from your springs because that spacer is basically making the bottom leaf pretty much useless. Couple issues. First - there is no longer any support for the spring pack so there is nothing protecting it from being forced into a reverse curve which is not good because by the time the upper leafs contact that lower leaf its too late. Second - now that you have a softer suspension your making your truck handle worse. If you want a better riding and a safe riding safe truck I would talk to someone that really knows suspensions like Cary at CT Performance Inc who is a supporting vender and does wonders with making Excursions ride 100% better.


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post #7 of 13 Old 08-31-2013, 01:40 PM Thread Starter
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When I load the truck heavy with firewood it rides the bumpers tight. It will not go any lower then the bumpers for max travel.
Yes the load capacity is lower but it hits the overload at 2-1/2" of travel and starts taking the load from there till the bumpers.
I run empty 99% of the time so for me it's pure bliss and the bumper will only allow the maximum designed deflection.
That hunka chunka of overload spring is determining the ride in the rear. No shocks of any design can overcome it's values. A completely different spring pack is another story.

Not for everyone but for my empty truck it's awesome.


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2006 F250 LARIAT CCSB 4X4
ARP Studs, O-Ringed Heads
X4 PHP 65 HP Custom Tow Tune
Atlas40
CAT EC-1 Coolant, IPR Coolant filter
BPD Waterpump
Fass-125 to a Adjustable Pressure Reg.
Turbo-back SS 4" pipe, Corsa Muffler -7" Tip
6.4 starter, DC Power 270 amp alt
Die Hard Platinum AGM all 2/0 Cables
Fabtech Radius Arms
7" lift w: Icon Progressive Coil Springs
2008 up Carli/Deaver rear springs
2000 Watts of McIntosh Bliss
All riding on some Fatty-Daddy 38/15.50/18 Toyo's
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post #8 of 13 Old 11-14-2013, 08:05 PM Thread Starter
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Here you go I threw it back on page one.


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2006 F250 LARIAT CCSB 4X4
ARP Studs, O-Ringed Heads
X4 PHP 65 HP Custom Tow Tune
Atlas40
CAT EC-1 Coolant, IPR Coolant filter
BPD Waterpump
Fass-125 to a Adjustable Pressure Reg.
Turbo-back SS 4" pipe, Corsa Muffler -7" Tip
6.4 starter, DC Power 270 amp alt
Die Hard Platinum AGM all 2/0 Cables
Fabtech Radius Arms
7" lift w: Icon Progressive Coil Springs
2008 up Carli/Deaver rear springs
2000 Watts of McIntosh Bliss
All riding on some Fatty-Daddy 38/15.50/18 Toyo's
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post #9 of 13 Old 11-14-2013, 08:20 PM Thread Starter
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Quote:
Originally Posted by BIG Laing View Post
This dropped your payload capacity severely.
It does not drop the payload, I loaded truck with oak firewood two weekends ago and it settled faster but once spring pack hit the overload it loaded out the same. It never hit the bumpers so I know it's the same as before.
This mod works, only real downside I see is truck settles faster with moderate load. But once I get around a thousand pounds it's into the overload and loads out the same.
Cheers


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2006 F250 LARIAT CCSB 4X4
ARP Studs, O-Ringed Heads
X4 PHP 65 HP Custom Tow Tune
Atlas40
CAT EC-1 Coolant, IPR Coolant filter
BPD Waterpump
Fass-125 to a Adjustable Pressure Reg.
Turbo-back SS 4" pipe, Corsa Muffler -7" Tip
6.4 starter, DC Power 270 amp alt
Die Hard Platinum AGM all 2/0 Cables
Fabtech Radius Arms
7" lift w: Icon Progressive Coil Springs
2008 up Carli/Deaver rear springs
2000 Watts of McIntosh Bliss
All riding on some Fatty-Daddy 38/15.50/18 Toyo's
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post #10 of 13 Old 11-14-2013, 09:10 PM
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It did drop the payload. Looking at a the leaf pack you now only contact the overload on the furthest edges (least strength). It should be contacting the entire length of the overload. Really its very simple leverage/physics.

2013 Lariat Eco-Boost F150 Super Crew 4x4 20K Miles. Max-Tow 3.73's, luxury package. Amp Steps, Raceline Raptor Wheels, Bak-Flip, and much more.


(Sold) 2011 Lariat 6.7 F350 CCLB SRW 4X4 60K MILES
Nitto Terra Grappler 295/70/R18 on OEM's
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